ARCA 824 series, Руководство по эксплуатации

Страница: 33 / 46

ARCA Regler GmbH 11 Electrical connection
Series 824 33 / 46 09.2018 / 1.0
In the event of an error message for the proximity switch, the switching
amplifier or the connecting cable, the output automatically enters the
safe "off" state (= logic 0). Normally closed (SN) types are generally
used.
Illustration 19: Limit value transmitter 2-wire N+SN
11.2.3 Direct switching version (3-wire, E2)
These proximity switches already contain an output amplifier and have
separate connections for the power supply and for the load. Plus-switch-
ing (E2) normally-open types are generally used.
Illustration 20: Limit value transmitter 3-wire E2
11.3 Position feedback
11.3.1 Feedback potentiometer
11.3.2 Position transducer 3-wire
11.3.3 Position transducer 2-wire